🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969

Radius: 8.8

Gravity: 12.51 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.81 AU - 1.07 AU

Year: 618 Days

Day: 5.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,724,764 km

• M1: 109,506 km (0.064 R)
• M2: 557,850 km (0.108 R)
• M3: 960,418 km (0.069 R)
• M4: 1,687,763 km (0.078 R)
• M5: 2,136,407 km (0.106 R)
• M6: 2,442,484 km (0.059 R)
• M7: 2,719,988 km (0.078 R)
• M8: 3,131,532 km (0.054 R)
• M9: 3,514,952 km (0.079 R)
• M10: 4,171,985 km (0.077 R)
• M11: 4,587,419 km (0.07 R)
• M12: 5,652,406 km (0.032 R)
• M13: 5,982,269 km (0.092 R)
• M14: 7,182,942 km (0.119 R)
• M15: 7,971,622 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.4

Radius: 11.6

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.04 AU - 1.36 AU

Year: 892 Days

Day: 14.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,724,764 km

• M1: 145,409 km (0.084 R)
• M2: 542,741 km (0.071 R)
• M3: 908,807 km (0.119 R)
• M4: 1,805,497 km (0.085 R)
• M5: 2,773,993 km (0.108 R)
• M6: 3,623,410 km (0.116 R)
• M7: 4,462,953 km (0.107 R)
• M8: 4,837,098 km (0.106 R)
• M9: 5,270,782 km (0.095 R)
• M10: 6,707,969 km (0.083 R)
• M11: 8,633,443 km (0.12 R)
• M12: 9,562,445 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.7

Radius: 10.7

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 3.29 AU - 3.73 AU

Year: 4460 Days

Day: 14.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,724,764 km

• M1: 133,591 km (0.026 R)
• M2: 508,932 km (0.1 R)
• M3: 990,039 km (0.091 R)
• M4: 1,369,120 km (0.084 R)
• M5: 2,199,238 km (0.049 R)
• M6: 2,580,713 km (0.102 R)
• M7: 4,046,622 km (0.113 R)
• M8: 5,708,954 km (0.092 R)
• M9: 7,678,560 km (0.064 R)
• M10: 8,337,538 km (0.108 R)
• M11: 9,033,767 km (0.094 R)
• M12: 10,809,045 km (0.052 R)
• M13: 11,874,331 km (0.114 R)
• M14: 13,733,085 km (0.088 R)
• M15: 14,925,978 km (0.119 R)
• M16: 16,423,453 km (0.087 R)
• M17: 18,400,987 km (0.12 R)
• M18: 19,647,586 km (0.031 R)
• M19: 23,725,026 km (0.1 R)
• M20: 26,572,172 km (0.101 R)
• M21: 28,334,136 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.6

Radius: 12

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 4.12 AU - 4.12 AU

Year: 5672 Days

Day: 14 Hours

Environment

Temp: -225 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,724,764 km

• M1: 151,543 km (0.094 R)
• M2: 599,289 km (0.052 R)
• M3: 979,417 km (0.072 R)
• M4: 1,364,333 km (0.049 R)
• M5: 1,915,601 km (0.105 R)
• M6: 3,282,476 km (0.103 R)
• M7: 3,999,948 km (0.118 R)
• M8: 4,699,318 km (0.089 R)
• M9: 5,584,937 km (0.098 R)
• M10: 6,669,223 km (0.081 R)
• M11: 7,134,023 km (0.114 R)
• M12: 7,991,069 km (0.081 R)
• M13: 9,176,333 km (0.083 R)
• M14: 10,475,292 km (0.052 R)
• M15: 12,671,837 km (0.066 R)
• M16: 16,574,696 km (0.105 R)
• M17: 19,665,538 km (0.083 R)
• M18: 20,689,236 km (0.12 R)
• M19: 22,842,548 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.1

Radius: 14.1

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 3.78 AU - 5.08 AU

Year: 6324 Days

Day: 11.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,724,764 km

• M1: 176,525 km (0.083 R)
• M2: 812,167 km (0.098 R)
• M3: 1,804,001 km (0.12 R)
• M4: 2,691,714 km (0.07 R)
• M5: 3,758,347 km (0.115 R)
• M6: 4,744,796 km (0.049 R)
• M7: 5,800,209 km (0.113 R)
• M8: 6,401,143 km (0.116 R)
• M9: 7,886,800 km (0.056 R)
• M10: 9,056,206 km (0.114 R)
• M11: 10,386,281 km (0.076 R)
• M12: 11,738,347 km (0.111 R)
• M13: 12,375,633 km (0.034 R)
• M14: 14,973,849 km (0.06 R)
• M15: 16,108,400 km (0.115 R)
• M16: 18,691,207 km (0.06 R)
• M17: 25,272,017 km (0.099 R)
• M18: 26,697,236 km (0.088 R)
• M19: 27,522,119 km (0.101 R)
• M20: 30,593,513 km (0.089 R)
• M21: 33,568,416 km (0.046 R)
• M22: 36,618,866 km (0.092 R)
• M23: 37,981,104 km (0.047 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.7

Radius: 9.4

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 4.27 AU - 4.67 AU

Year: 6410 Days

Day: 9.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 63,724,764 km

• M1: 116,836 km (0.077 R)
• M2: 542,143 km (0.104 R)
• M3: 853,306 km (0.12 R)
• M4: 1,558,062 km (0.114 R)
• M5: 2,248,007 km (0.111 R)
• M6: 2,734,350 km (0.067 R)
• M7: 3,605,009 km (0.06 R)
• M8: 5,499,667 km (0.088 R)
• M9: 6,645,287 km (0.057 R)
• M10: 7,362,459 km (0.108 R)
• M11: 8,320,783 km (0.076 R)
• M12: 8,750,428 km (0.112 R)
• M13: 9,911,158 km (0.062 R)
• M14: 10,216,787 km (0.051 R)
• M15: 11,218,494 km (0.119 R)
• M16: 13,100,884 km (0.1 R)
• M17: 13,844,685 km (0.115 R)
• M18: 15,945,936 km (0.108 R)
• M19: 17,228,738 km (0.117 R)
• M20: 17,735,127 km (0.114 R)
• M21: 18,251,389 km (0.091 R)
• M22: 19,654,318 km (0.049 R)
• M23: 20,417,117 km (0.039 R)
• M24: 20,912,885 km (0.083 R)
• M25: 21,416,581 km (0.109 R)
• M26: 21,854,753 km (0.077 R)
• M27: 23,512,597 km (0.114 R)
• M28: 24,057,282 km (0.068 R)
• M29: 25,415,033 km (0.052 R)
• M30: 25,824,033 km (0.091 R)
• M31: 27,417,999 km (0.078 R)
• M32: 28,633,780 km (0.115 R)
• M33: 31,079,406 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976

Radius: 9.5

Gravity: 10.81 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 3.82 AU - 5.48 AU

Year: 6801 Days

Day: 13.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 63,724,764 km

• M1: 118,930 km (0.073 R)
• M2: 560,992 km (0.098 R)
• M3: 1,241,214 km (0.1 R)
• M4: 1,599,351 km (0.049 R)
• M5: 2,259,377 km (0.11 R)
• M6: 2,901,750 km (0.105 R)
• M7: 4,436,624 km (0.102 R)
• M8: 5,411,553 km (0.07 R)
• M9: 5,799,610 km (0.088 R)
• M10: 6,559,268 km (0.111 R)
• M11: 7,114,127 km (0.038 R)
• M12: 7,984,487 km (0.052 R)
• M13: 8,617,436 km (0.07 R)
• M14: 9,374,850 km (0.111 R)
• M15: 10,175,797 km (0.088 R)
• M16: 12,240,247 km (0.107 R)
• M17: 13,487,445 km (0.097 R)
• M18: 16,100,471 km (0.084 R)
• M19: 18,019,064 km (0.111 R)
• M20: 20,009,164 km (0.098 R)
• M21: 21,096,591 km (0.105 R)
• M22: 22,884,585 km (0.077 R)
• M23: 24,508,170 km (0.032 R)
• M24: 28,657,267 km (0.054 R)
• M25: 30,643,029 km (0.118 R)
• M26: 34,665,866 km (0.097 R)
• M27: 35,108,675 km (0.104 R)
• M28: 35,555,375 km (0.103 R)
• M29: 37,148,742 km (0.108 R)
• M30: 41,712,524 km (0.069 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.6

Radius: 10.3

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 3.78 AU - 5.96 AU

Year: 7289 Days

Day: 10.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 63,724,764 km

• M1: 128,056 km (0.088 R)
• M2: 450,140 km (0.119 R)
• M3: 772,673 km (0.087 R)
• M4: 1,465,311 km (0.063 R)
• M5: 1,932,804 km (0.1 R)
• M6: 2,399,550 km (0.11 R)
• M7: 5,369,367 km (0.047 R)
• M8: 5,926,320 km (0.114 R)
• M9: 7,087,050 km (0.114 R)
• M10: 7,649,089 km (0.084 R)
• M11: 8,278,597 km (0.04 R)
• M12: 8,862,477 km (0.08 R)
• M13: 9,725,657 km (0.079 R)
• M14: 10,779,873 km (0.119 R)
• M15: 11,194,259 km (0.103 R)
• M16: 11,908,439 km (0.096 R)
• M17: 12,652,838 km (0.057 R)
• M18: 14,677,346 km (0.065 R)
• M19: 16,062,024 km (0.07 R)
• M20: 16,421,358 km (0.065 R)
• M21: 19,089,586 km (0.047 R)
• M22: 19,493,051 km (0.081 R)
• M23: 20,039,832 km (0.102 R)
• M24: 21,814,511 km (0.062 R)
• M25: 22,852,870 km (0.091 R)
• M26: 23,460,985 km (0.047 R)
• M27: 27,508,056 km (0.066 R)
• M28: 28,196,207 km (0.03 R)
• M29: 28,807,613 km (0.119 R)
• M30: 30,511,832 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 596.7

Radius: 7.3

Gravity: 11.2 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 7.36 AU - 9.38 AU

Year: 16424 Days

Day: 21.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,724,764 km

• M1: 92,751 km (0.046 R)
• M2: 443,707 km (0.091 R)
• M3: 1,385,575 km (0.098 R)
• M4: 2,419,446 km (0.111 R)
• M5: 3,419,658 km (0.03 R)
• M6: 5,585,685 km (0.045 R)
• M7: 8,140,817 km (0.067 R)
• M8: 10,222,621 km (0.083 R)
• M9: 10,793,786 km (0.087 R)
• M10: 13,226,397 km (0.066 R)
• M11: 13,767,043 km (0.061 R)
• M12: 14,964,873 km (0.05 R)
• M13: 21,637,836 km (0.117 R)
• M14: 38,484,351 km (0.117 R)
• M15: 43,455,489 km (0.068 R)
• M16: 46,634,743 km (0.115 R)
• M17: 48,838,319 km (0.117 R)
• M18: 54,994,272 km (0.09 R)
• M19: 61,275,138 km (0.111 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 506 - 14,904 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit